Radio Shack PRO-92 owner manual 9V DC

806–960 MHz		0.7 ∝V
AM:		1 ∝V
29–54 MHz
108–136.9875 MHz		1 ∝V
137–174 MHz		1.5 ∝V
380–512 MHz		2 ∝V
806–960 MHz		2 ∝V
Selectivity:
–6 dB		±10 kHz
–50 dB		±18 kHz
Spurious Rejection (at 154 MHz FM)		................... 40 dB
Scanning Rate	Up to 25 Channels per Second
Search Rate	Up to 50 Steps per second
Delay Time		2 seconds
Intermediate Frequencies (IF):
1st		257.5 MHz
2nd		21.4 MHz
3rd		455 kHz
Priority Sampling		2 seconds
Operating Temperature		14°–140°F
		(–10°–60°C)
IF Rejection:
257.5 MHz at 154 MHz		60 dB
21.4 MHz at 154 MHz		100 dB
Squelch Sensitivity:
Threshold (FM and AM)		0.5 ∝V
Tight (FM)		25 dB
Tight (AM)		20 dB
Antenna Impedance		50 Ohms
Audio Output Power (10% THD)		240 mW
Built-in Speaker		13/8 Inches
		(36 mm)
	(8-Ohm, Dynamic Type)
Power Requirements:
		9V DC
	6 AA Alkaline Batteries
or 6 AA Rechargeable Ni-Cd Batteries
Current Drain (Squelched)		90 mA

70Specifications